| MBMcmellon Bros., Incorporated | Stratford | CT | 20–99 | ● ACTIVE |
Mcnally Industries, LLC | Grantsburg | WI | — | ● ACTIVE |
Mcneil Industries INC | Painesville | OH | 20–99 | ● ACTIVE |
| MPMdc Precision LLC | Hayward | CA | — | ● ACTIVE |
Meaden Precision Machined Products Company | Burr Ridge | IL | 20–99 | ● ACTIVE |
Mechanical Analysis/repair, INC. | Lodi | CA | — | ● ACTIVE |
Mechanical Development Company, Incorporated | Salem | VA | 20–99 | ● ACTIVE |
| MDMechanical Devices CO | Bloomington | IL | 100–499 | ● ACTIVE |
Mega Precision LLC | Newington | CT | — | ● ACTIVE |
Megatech Manufacturing LLC | Westminster | CA | — | ● ACTIVE |
Melco Steel INC | Azusa | CA | — | ● ACTIVE |
Memcor INC | Huntington | IN | — | ● ACTIVE |
Menze Precision Machining, LLC | Winter Haven | FL | — | ● ACTIVE |
Mercury Aircraft INC | Hammondsport | NY | 100–499 | ● ACTIVE |
Mercury Machine Works LLC | Spring | TX | — | ● ACTIVE |
Merit Gage INC | Minneapolis | MN | — | ● ACTIVE |
Mesa Custom Machining CORP | Gilbert | AZ | — | ● ACTIVE |
Meta Fab, INC | Hillsboro | OR | — | ● ACTIVE |
Metalcrafters, INC. | Methuen | MA | 20–99 | ● ACTIVE |
| MOMetalcraft of Mayville INC | Mayville | WI | 100–499 | ● ACTIVE |
Metal Essence, INC. | Longwood | FL | — | ● ACTIVE |
Metalex Manufacturing INC | Cincinnati | OH | 100–499 | ● ACTIVE |
| MFMetal Fab South INC | Kenner | LA | — | ● ACTIVE |
Metalform Industries, INC. | Wichita | KS | — | ● ACTIVE |
Metal Forming & Coining LLC | Maumee | OH | — | ● ACTIVE |
Metalid Manufacturing INC | Pacoima | CA | — | ● ACTIVE |
Metallion Industries, INC. | Estacada | OR | — | ● ACTIVE |
Metalmite CORP | Rochester | MI | — | ● ACTIVE |
Metalquest Unlimited, INC | Hebron | NE | — | ● ACTIVE |
Metal Roofing Systems INC | Stanley | NC | — | ● ACTIVE |
Metal Tech INC | Gulfport | MS | — | ● ACTIVE |
Meta Manufacturing CORP | Blue Ash | OH | — | ● ACTIVE |
| MIMetamora Industries, LLC | Metamora | IL | 20–99 | ● ACTIVE |
Metplas INC | Natrona Heights | PA | 20–99 | ● ACTIVE |
Metro Machine, INC. | Englewood | CO | 20–99 | ● ACTIVE |
Metron Machining LLC | Lakewood | CO | — | ● ACTIVE |
Meva Formwork Systems INC | Springfield | OH | — | ● ACTIVE |
Mfc Netform LLC | Shelby Township | MI | — | ● ACTIVE |
Mf Engineering Company, INC. | Bristol | RI | — | ● ACTIVE |
M & H Machining, INC | Georgetown | TX | — | ● ACTIVE |
Mica-tron Products CORP | Holbrook | MA | — | ● ACTIVE |
| MPMicron Precision Machining INC | Saginaw | MI | — | ● ACTIVE |
Micro Precision, LLC | South Windham | CT | 20–99 | ● ACTIVE |
Microtech Machine CO INC | Wheeling | IL | — | ● ACTIVE |
Mid-continent Engineering, LLC | Minneapolis | MN | — | ● ACTIVE |
Mid-continent Machining INC | Kansas City | KS | — | ● ACTIVE |
| MTMid-state Tank CO INC | Sullivan | IL | — | ● ACTIVE |
Mid Valley Industries, LLC | Kaukauna | WI | — | ● ACTIVE |
Midway Machine & Instrument Company INC | South Houston | TX | — | ● ACTIVE |
Midwest Tool, INC. | Joplin | MO | — | ● ACTIVE |
Mikron Manufacturing, INC. | Colorado Springs | CO | — | ● ACTIVE |
Millennium Metalcraft, INC. | Fremont | CA | — | ● ACTIVE |
Millennium Precision LLC | Manchester | NH | — | ● ACTIVE |
Miller Diversified Machining INC | Minneapolis | MN | — | ● ACTIVE |
Milliflect Company LLC | Newark | CA | — | ● ACTIVE |
Millrite Machine INC. | Westfield | MA | — | ● ACTIVE |
Milton Manufacturing, INC. | Detroit | MI | — | ● ACTIVE |
Milton, Vermont Sheet Metal, INC | Milton | VT | — | ● ACTIVE |
| MMMinden Machine Shop INC | Minden | NE | 20–99 | ● ACTIVE |
Minic Industries INC | Crystal Lake | IL | — | ● ACTIVE |
| MFMinitec Framing Systems, LLC | Farmington | NY | 20–99 | ● ACTIVE |
Minter Industries, LLC | Lakewood | WA | — | ● ACTIVE |
Mississippi Valley Metals LLC | Maquoketa | IA | — | ● ACTIVE |
Mjm Manufacturing INC | Miami Lakes | FL | — | ● ACTIVE |
Mmlj INC | Houston | TX | — | ● ACTIVE |
Modelcraft Company, Incorporated | Plymouth | CT | — | ● ACTIVE |
Modern Advanced Manufacturing LLC | Rockford | IL | 20–99 | ● ACTIVE |
Modern Engineering Solutions LLC | Rockford | MI | 20–99 | ● ACTIVE |
| MFModern Forge Texas, LLC | Hurst | TX | 20–99 | ● ACTIVE |
| MIModern Industries, INC. | Phoenix | AZ | — | ● ACTIVE |
Monroe Tool and Manufacturing Company | Cleveland | OH | — | ● ACTIVE |
Moore Tool Company, INC. | Bridgeport | CT | 20–99 | ● ACTIVE |
Morgan Bronze Products, INC. | Lake Zurich | IL | — | ● ACTIVE |
| MPMorris Precision Products, INC. | Canyon Country | CA | — | ● ACTIVE |
Moseys' Production Machinists, INC. | Anaheim | CA | — | ● ACTIVE |
Mouldagraph Corporation | Nitro | WV | — | ● ACTIVE |
Mountain Valley Machine, INC | Smithfield | UT | — | ● ACTIVE |
M & R Precision Machining INC | Elk Grove Village | IL | — | ● ACTIVE |
Msk Precision Products, LLC | Tamarac | FL | — | ● ACTIVE |
Msp Aviation, INC. | Bloomington | IN | 20–99 | ● ACTIVE |
Mst Manufacturing LLC | Claremore | OK | 20–99 | ● ACTIVE |
Multax LLC | Morton | IL | — | ● ACTIVE |
Multisource Manufacturing LLC | Minneapolis | MN | — | ● ACTIVE |
| MBMve Biological Solutions | Ball Ground | GA | 20–99 | ● ACTIVE |
Naeco, LLC | Peachtree City | GA | 20–99 | ● ACTIVE |
Naimor INC | Snohomish | WA | — | ● ACTIVE |
National Fence Systems INC. | Avenel | NJ | — | ● ACTIVE |
National Machine Company | Stow | OH | — | ● ACTIVE |
National Metal Stampings, INC | Lancaster | CA | — | ● ACTIVE |
Natoma Manufacturing, LLC | Norton | KS | 20–99 | ● ACTIVE |
N.c.t., INC. | Colchester | CT | — | ● ACTIVE |
Ndk Paragon, LLC | Oceanside | CA | — | ● ACTIVE |
Nema Enclosures Manufacturing of Texas LLC | Houston | TX | — | ● ACTIVE |
N.e.t. & Die, INC. | Fulton | NY | — | ● ACTIVE |
Netzer Metalworks, LLC | Essex | MD | — | ● ACTIVE |
Newberry Tanks & Equipment, LLC | West Memphis | AR | — | ● ACTIVE |
New England Cnc, INC | Hamden | CT | — | ● ACTIVE |
New England Expert Technologies Corp-windsor | Windsor | CT | 20–99 | ● ACTIVE |
| NENew England Innovations CORP. | Dover | NH | — | ● ACTIVE |
New Horizon Machine CO INC | Newtown | CT | — | ● ACTIVE |